2009 Tercera División play-offs

New Format

To start with, the eighteen group winners had the opportunity to be promoted directly to Segunda División B. The eighteen group winners were drawn into a two-legged series where the nine winners promoted to Segunda División B. The nine losing clubs entered the play-off round for the last nine promotion spots.

The eighteen runners-up were drawn against one of the seventeen fourth-placed clubs outside their group and the eighteen third-placed clubs were drawn against one another in a two-legged series. The twenty-seven winners advanced with the nine losing clubs from the champions' series to determine the eighteen teams that entered the last two-legged series for the last nine promotion spots. In all the playoff series, the lower-ranked club played at home first. Whenever there was a tie in position (e.g. like the group winners in the champions' series or the third-placed teams in the first round), a draw determined the club to play at home first.

Teams for 2008–09 play-offs

Main article: 2008–09 Tercera División

• All groups as 38 of 38 rounds.
• The teams highlighted in yellow played the play-offs to Segunda División B.
• The teams highlighted in red were relegated to Divisiones Regionales.

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Qualifiers

• The regular season ended on 17 May 2009.
• The play-offs began on 23 May and ended on 28 June 2009.

1st qualifier

For 1st of group only.

• Promoted to Segunda División B:Gimn. de Torrelavega, Unión Estepona, Villajoyosa, Varea, Espanyol B, Real Oviedo, Toledo, Palencia and Compostela
• Losers:Lagun Onak, Caravaca, Alcalá, Cerro Reyes, Tenerife B, Mallorca B, San Roque, Izarra and Atl. Monzón, continue in the 3rd qualifier

2nd qualifier

For 2nd, 3rd and 4th of group only. 2nds played against 4ths and 3rds played against each other.

3rd qualifier

Winners of 2nd qualifier (27 teams) and losers of 1st qualifier (9 teams).

4th qualifier

Winners of 3rd qualifier.

• Promoted to Segunda División B:Izarra, San Roque, Alcalá, Cerro Reyes, Sporting Mahonés, Cacereño, Caravaca, Mallorca B and Mirandés